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Creating a JSON response using Django and Python
...go.http import HttpResponse
response_data = {}
response_data['result'] = 'error'
response_data['message'] = 'Some error message'
Pre-Django 1.7 you'd return it like this:
return HttpResponse(json.dumps(response_data), content_type="application/json")
For Django 1.7+, use JsonResponse as shown ...
How can I tell if my server is serving GZipped content?
I have a webapp on a NGinx server. I set gzip on in the conf file and now I'm trying to see if it works. YSlow says it's not, but 5 out of 6 websites that do the test say it is. How can I get a definite answer on this and why is there a difference in the results?
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Replace multiple whitespaces with single whitespace in JavaScript string
...hitespaces. Maybe you can help me to understand why. I guess it's a chrome error? Try running my code in chrome console and let me know.
– Roger Gajraj
Sep 13 '15 at 5:05
add ...
Collections.emptyList() vs. new instance
... So, would Collections.emptyList() be more suitable for let's say, error checking and the like?
– mre
Apr 5 '11 at 13:05
1
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RuntimeWarning: invalid value encountered in divide
...
it is better to set this before the line that causes the error then reset after the line to the normal state of 'warn' by the command np.seterr(divide='warn', invalid='warn')
– Mohammad ElNesr
Apr 14 '19 at 14:23
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const char * const versus const char *?
...lf however is not const.
Example.
const char *p = "Nawaz";
p[2] = 'S'; //error, changing the const data!
p="Sarfaraz"; //okay, changing the non-const pointer.
const char * const p = "Nawaz";
p[2] = 'S'; //error, changing the const data!
p="Sarfaraz"; //error, changing the const pointer.
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How to update only one field using Entity Framework?
...are updating: if (db.Entry(user).Property(x => x.Password).GetValidationErrors().Count == 0)
– Ziul
Aug 27 '15 at 23:28
2
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How to change letter spacing in a Textview?
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This doesnt actually work when set in the XML. I get an error like this: "1.2dp" in attribute "letterSpacing" cannot be converted to float."
– dopatraman
Jan 16 '16 at 20:19
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Reuse Cucumber steps
...has changed in recent versions of cucumber, which you'll see if you get an error like "WARNING: Using 'Given/When/Then' in step definitions is deprecated, use 'step' to call other steps instead:/path/to/step_definitions/foo_steps.rb:631:in `block in '
". See the cucumber wiki for details.
The gist ...
SQLAlchemy - Getting a list of tables
... value = value.replace(self.escape_quote, self.escape_to_quote) AttributeError: 'NoneType' object has no attribute 'replace' (stack truncated)
– Darshan Chaudhary
Jul 26 '17 at 11:14
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